/*
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 */
@import "https://fonts.googleapis.com/css?family=Open+Sans:400,700%7cDroid+Serif:400,700";

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
    display: block
}

audio,
canvas,
video {
    display: inline-block
}

audio:not([controls]) {
    display: none;
    height: 0
}

script {
    display: none !important
}

html {
    font-family: "Droid Serif";
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

a {
    background: transparent
}

a:focus {
    outline: thin dotted
}

a:active,
a:hover {
    outline: 0
}

h1 {
    font-size: 2em;
    margin: .67em 0
}

abbr[title] {
    border-bottom: 1px dotted
}

b,
strong {
    font-weight: bold
}

dfn {
    font-style: italic
}

hr {
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    height: 0
}

mark {
    background: #ff0;
    color: #000
}

code,
kbd,
pre,
samp {
    font-family: monospace;
    font-size: 1em
}

pre {
    white-space: pre-wrap
}

q {
    quotes: "\201C" "\201D" "\2018" "\2019"
}

small {
    font-size: 80%
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline
}

sup {
    top: -.5em
}

sub {
    bottom: -.25em
}

img {
    border: 0
}

svg:not(:root) {
    overflow: hidden
}

figure {
    margin: 0
}

fieldset {
    border: 1px solid silver;
    margin: 0 2px;
    padding: .35em .625em .75em
}

legend {
    border: 0;
    padding: 0
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    margin: 0
}

button,
input {
    line-height: normal
}

button,
select {
    text-transform: none
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer
}

button[disabled],
html input[disabled] {
    cursor: default
}

input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box;
    padding: 0
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0
}

textarea {
    overflow: auto;
    vertical-align: top
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

*,
*::before,
*::after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

html,
body {
    /*font-size: 100%*/
}

body {
    background: #fff;
    color: #333;
    padding: 0;
    margin: 0;
    font-family: "Droid Serif", "DejaVu Serif", serif;
    font-size: 14px;
    font-style: normal;
    line-height: 1.42857143;
    position: relative;
    cursor: auto;
    tab-size: 4;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased
}

a:hover {
    cursor: pointer
}

img,
object,
embed {
    max-width: 100%;
    height: auto
}

object,
embed {
    height: 100%
}

img {
    -ms-interpolation-mode: bicubic
}

.left {
    float: left !important
}

.right {
    float: right !important
}

.text-left {
    text-align: left !important
}

.text-right {
    text-align: right !important
}

.text-center {
    text-align: center !important
}

.text-justify {
    text-align: justify !important
}

.hide {
    display: none
}

img,
object,
svg {
    display: inline-block;
    vertical-align: middle
}

textarea {
    height: auto;
    min-height: 50px
}

select {
    width: 100%
}

.center {
    margin-left: auto;
    margin-right: auto
}

.stretch {
    width: 100%
}

.subheader,
.admonitionblock td.content>.title,
.audioblock>.title,
.exampleblock>.title,
.imageblock>.title,
.listingblock>.title,
.literalblock>.title,
.stemblock>.title,
.openblock>.title,
.paragraph>.title,
.quoteblock>.title,
table.tableblock>.title,
.verseblock>.title,
.videoblock>.title,
.dlist>.title,
.olist>.title,
.ulist>.title,
.qlist>.title,
.hdlist>.title {
    line-height: 1.45;
    color: #585ac2;
    font-weight: 400;
    margin-top: 0;
    margin-bottom: .25em
}

div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
#toctitle,
.sidebarblock>.content>.title,
h4,
h5,
h6,
pre,
form,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
    direction: ltr
}

a {
    color: #585ac2;
    text-decoration: underline;
    line-height: inherit
}

a:hover,
a:focus {
    color: #373997;
}

a img {
    border: none
}

p {
    font-family: inherit;
    font-weight: 400;
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 1.25em;
    text-rendering: optimizeLegibility
}

p aside {
    font-size: .875em;
    line-height: 1.35;
    font-style: italic
}

h1,
h2,
h3,
#toctitle,
.sidebarblock>.content>.title,
h4,
h5,
h6 {
    font-family: "Source Sans Pro", "DejaVu Sans", sans-serif;
    font-weight: bold;
    /*font-style: bold;*/
    color: #303284;
    text-rendering: optimizeLegibility;
    margin-top: 1em;
    margin-bottom: .5em;
    line-height: 1.0125em;
    text-transform: uppercase;
}

h1 small,
h2 small,
h3 small,
#toctitle small,
.sidebarblock>.content>.title small,
h4 small,
h5 small,
h6 small {
    font-size: 60%;
    color: #303284;
    line-height: 0
}

h1 {
    font-size: 2.125em
}

h2 {
    font-size: 1.6875em
}

h3,
#toctitle,
.sidebarblock>.content>.title {
    font-size: 1.375em
}

h4,
h5 {
    font-size: 1.125em
}

h6 {
    font-size: 1em
}

hr {
    border: solid #dddddd;
    border-width: 1px 0 0;
    clear: both;
    margin: 1.25em 0 1.1875em;
    height: 0
}

em,
i {
    font-style: italic;
    line-height: inherit
}

strong,
b {
    font-weight: bold;
    line-height: inherit
}

small {
    font-size: 60%;
    line-height: inherit
}

code {
    font-family: "Droid Sans Mono", "DejaVu Sans Mono", monospace;
    font-weight: 400;
    color: #585ac2;
}

ul,
ol,
dl {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 1.25em;
    list-style-position: outside;
    font-family: inherit
}

ul,
ol {
    margin-left: 1.5em
}

ul li ul,
ul li ol {
    margin-left: 1.25em;
    margin-bottom: 0;
    font-size: 1em
}

ul.square li ul,
ul.circle li ul,
ul.disc li ul {
    list-style: inherit
}

ul.square {
    list-style-type: square
}

ul.circle {
    list-style-type: circle
}

ul.disc {
    list-style-type: disc
}

ol li ul,
ol li ol {
    margin-left: 1.25em;
    margin-bottom: 0
}

dl dt {
    margin-bottom: .3125em;
    font-weight: bold
}

dl dd {
    margin-bottom: 1.25em
}

abbr,
acronym {
    text-transform: uppercase;
    font-size: 90%;
    color: rgba(0, 0, 0, .8);
    border-bottom: 1px dotted #ddd;
    cursor: help
}

abbr {
    text-transform: none
}

blockquote {
    margin: 0 0 1.25em;
    padding: .5625em 1.25em 0 1.1875em;
    border-left: 1px solid #ddd
}

blockquote cite {
    display: block;
    font-size: .9375em;
    color: rgba(0, 0, 0, .6)
}

blockquote cite::before {
    content: "\2014 \0020"
}

blockquote cite a,
blockquote cite a:visited {
    color: rgba(0, 0, 0, .6)
}

blockquote,
blockquote p {
    line-height: 1.6;
    color: rgba(0, 0, 0, .85)
}

@media screen and (min-width:768px) {
    h1,
    h2,
    h3,
    #toctitle,
    .sidebarblock>.content>.title,
    h4,
    h5,
    h6 {
        line-height: 1.2
    }

    h1 {
        font-size: 2.75em
    }

    h2 {
        font-size: 2.3125em
    }

    h3,
    #toctitle,
    .sidebarblock>.content>.title {
        font-size: 1.6875em
    }

    h4 {
        font-size: 1.4375em
    }

}

table {
    background: #fff;
    margin-bottom: 1.25em;
    border: solid 1px #dddddd;
}

table thead,
table tfoot {
    background: #f7f8f7
}

table thead tr th,
table thead tr td,
table tfoot tr th,
table tfoot tr td {
    padding: .5em .625em .625em;
    font-size: inherit;
    color: rgba(0, 0, 0, .8);
    text-align: left
}

table tr th,
table tr td {
    padding: .5625em .625em;
    font-size: inherit;
    color: rgba(0, 0, 0, .8)
}

table tr.even,
table tr.alt,
table tr:nth-of-type(even) {
    background: #f8f8f7
}

table thead tr th,
table tfoot tr th,
table tbody tr td,
table tr td,
table tfoot tr td {
    display: table-cell;
    line-height: 1.6
}

h1,
h2,
h3,
#toctitle,
.sidebarblock>.content>.title,
h4,
h5,
h6 {
    line-height: 1.2;
    word-spacing: -.05em
}

h1 strong,
h2 strong,
h3 strong,
#toctitle strong,
.sidebarblock>.content>.title strong,
h4 strong,
h5 strong,
h6 strong {
    font-weight: 400
}

.clearfix::before,
.clearfix::after,
.float-group::before,
.float-group::after {
    content: " ";
    display: table
}

.clearfix::after,
.float-group::after {
    clear: both
}

*:not(pre)>code {
    font-size: .9375em;
    font-style: normal !important;
    letter-spacing: 0;
    padding: .1em .5ex;
    word-spacing: -.15em;
    background-color: #f7f7f8;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    line-height: 1.45;
    text-rendering: optimizeSpeed;
    word-wrap: break-word
}

*:not(pre)>code.nobreak {
    word-wrap: normal
}

*:not(pre)>code.nowrap {
    white-space: nowrap
}

pre,
pre>code {
    line-height: 1.45;
    color: #585ac2;
    font-family: "Droid Sans Mono", "DejaVu Sans Mono", monospace;
    font-weight: 400;
    text-rendering: optimizeSpeed
}

em em {
    font-style: normal
}

strong strong {
    font-weight: 400
}

.keyseq {
    color: rgba(51, 51, 51, .8)
}

kbd {
    font-family: "Droid Sans Mono", "DejaVu Sans Mono", monospace;
    display: inline-block;
    color: rgba(0, 0, 0, .8);
    font-size: .65em;
    line-height: 1.45;
    background-color: #f7f7f7;
    border: 1px solid #dddddd;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 0 0 .1em white inset;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 0 0 .1em #fff inset;
    margin: 0 .15em;
    padding: .2em .5em;
    vertical-align: middle;
    position: relative;
    top: -.1em;
    white-space: nowrap
}

.keyseq kbd:first-child {
    margin-left: 0
}

.keyseq kbd:last-child {
    margin-right: 0
}

.menuseq,
.menuref {
    color: #000
}

.menuseq b:not(.caret),.menuref {
    font-weight: inherit
}

.menuseq {
    word-spacing: -.02em
}

.menuseq b.caret {
    font-size: 1.25em;
    line-height: .8
}

.menuseq i.caret {
    font-weight: bold;
    text-align: center;
    width: .45em
}

b.button::before,
b.button::after {
    position: relative;
    top: -1px;
    font-weight: 400
}

b.button::before {
    content: "[";
    padding: 0 3px 0 2px
}

b.button::after {
    content: "]";
    padding: 0 2px 0 3px
}

p a>code:hover {
    color: #585ac2;
}

#header,
#content,
#footnotes,
#footer {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0;
    margin-bottom: 0;
    max-width: 62.5em;
    *zoom: 1;
    position: relative;
    padding-left: .9375em;
    padding-right: .9375em
}

#header::before,
#header::after,
#content::before,
#content::after,
#footnotes::before,
#footnotes::after,
#footer::before,
#footer::after {
    content: " ";
    display: table
}

#header::after,
#content::after,
#footnotes::after,
#footer::after {
    clear: both
}

#content {
    margin-top: 1.25em
}

#content::before {
    content: none
}

#header>h1:first-child {
    color: #303284;
    margin-top: 2.25rem;
    margin-bottom: 0
}

#header>h1:first-child+#toc {
    margin-top: 8px;
    border-top: 1px solid #dddddd
}

#header>h1:only-child,
body.toc2 #header>h1:nth-last-child(2) {
    border-bottom: 1px solid #dddddd;
    padding-bottom: 8px
}

#header .details {
    border-bottom: 1px solid #dddddd;
    line-height: 1.45;
    padding-top: .25em;
    padding-bottom: .25em;
    padding-left: .25em;
    color: rgba(0, 0, 0, .6);
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -ms-flex-flow: row wrap;
    -webkit-flex-flow: row wrap;
    flex-flow: row wrap
}

#header .details span:first-child {
    margin-left: -.125em
}

#header .details span.email a {
    color: rgba(0, 0, 0, .85)
}

#header .details br {
    display: none
}

#header .details br+span::before {
    content: "\00a0\2013\00a0"
}

#header .details br+span.author::before {
    content: "\00a0\22c5\00a0";
    color: rgba(0, 0, 0, .85)
}

#header .details br+span#revremark::before {
    content: "\00a0|\00a0"
}

#header #revnumber {
    text-transform: capitalize
}

#header #revnumber::after {
    content: "\00a0"
}

#content>h1:first-child:not([class]) {
    color: rgba(0, 0, 0, .85);
    border-bottom: 1px solid #dddddd
;
    padding-bottom: 8px;
    margin-top: 0;
    padding-top: 1rem;
    margin-bottom: 1.25rem
}

#toc {
    border-bottom: 1px solid #dddddd;
    padding-bottom: .5em
}

#toc>ul {
    margin-left: .125em
}

#toc ul.sectlevel0>li>a {
    font-style: italic
}

#toc ul.sectlevel0 ul.sectlevel1 {
    margin: .5em 0
}

#toc ul {
    font-family: "Droid Serif", "DejaVu Sans", sans-serif;
    list-style-type: none
}

#toc li {
    line-height: 1.3334;
    margin-top: .3334em
}

#toc a {
    text-decoration: none
}

#toc a:active {
    text-decoration: underline
}

#toctitle {
    color: #303284;
    font-size: 1.2em
}

@media screen and (min-width:768px) {
    #toctitle {
        font-size: 1.375em
    }

    body.toc2 {
        padding-left: 15em;
        padding-right: 0
    }

    #toc.toc2 {
        margin-top: 0 !important;
        background-color: #eee;
        position: fixed;
        width: 15em;
        left: 0;
        top: 0;
        border-right: 1px solid #dddddd;
        border-top-width: 0 !important;
        border-bottom-width: 0 !important;
        z-index: 1000;
        padding: 1.25em 1em;
        height: 100%;
        overflow: auto
    }

    #toc.toc2 #toctitle {
        margin-top: 0;
        margin-bottom: .8rem;
        font-size: 1.2em
    }

    #toc.toc2>ul {
        font-size: .9em;
        margin-bottom: 0
    }

    #toc.toc2 ul ul {
        margin-left: 0;
        padding-left: 1em
    }

    #toc.toc2 ul.sectlevel0 ul.sectlevel1 {
        padding-left: 0;
        margin-top: .5em;
        margin-bottom: .5em
    }

    body.toc2.toc-right {
        padding-left: 0;
        padding-right: 15em
    }

    body.toc2.toc-right #toc.toc2 {
        border-right-width: 0;
        border-left: 1px solid #dddddd;
        left: auto;
        right: 0
    }

}

@media screen and (min-width:1280px) {
    body.toc2 {
        padding-left: 20em;
        padding-right: 0
    }

    #toc.toc2 {
        width: 20em
    }

    #toc.toc2 #toctitle {
        font-size: 1.375em
    }

    #toc.toc2>ul {
        font-size: .95em
    }

    #toc.toc2 ul ul {
        padding-left: 1.25em
    }

    body.toc2.toc-right {
        padding-left: 0;
        padding-right: 20em
    }

}

#content #toc {
    border-style: solid;
    border-width: 1px;
    border-color: #dddddd;
    margin-bottom: 1.25em;
    padding: 1.25em;
    background: #f8f8f7;
    -webkit-border-radius: 4px;
    border-radius: 4px
}

#content #toc>:first-child {
    margin-top: 0
}

#content #toc>:last-child {
    margin-bottom: 0
}

#footer {
    max-width: 100%;
    background-color: #303284;
    padding: 1.25em
}

#footer-text {
    color: #fff;
    line-height: 1.44
}

#content {
    margin-bottom: .625em
}

.sect1 {
    padding-bottom: .625em
}

@media screen and (min-width:768px) {
    #content {
        margin-bottom: 1.25em
    }

    .sect1 {
        padding-bottom: 1.25em
    }

}

.sect1:last-child {
    padding-bottom: 0
}

.sect1+.sect1 {
    border-top: 1px solid #dddddd;
}

#content h1>a.anchor,
h2>a.anchor,
h3>a.anchor,
#toctitle>a.anchor,
.sidebarblock>.content>.title>a.anchor,
h4>a.anchor,
h5>a.anchor,
h6>a.anchor {
    position: absolute;
    z-index: 1001;
    width: 1.5ex;
    margin-left: -1.5ex;
    display: block;
    text-decoration: none !important;
    visibility: hidden;
    text-align: center;
    font-weight: 400
}

#content h1>a.anchor::before,
h2>a.anchor::before,
h3>a.anchor::before,
#toctitle>a.anchor::before,
.sidebarblock>.content>.title>a.anchor::before,
h4>a.anchor::before,
h5>a.anchor::before,
h6>a.anchor::before {
    content: "\00A7";
    font-size: .85em;
    display: block;
    padding-top: .1em
}

#content h1:hover>a.anchor,
#content h1>a.anchor:hover,
h2:hover>a.anchor,
h2>a.anchor:hover,
h3:hover>a.anchor,
#toctitle:hover>a.anchor,
.sidebarblock>.content>.title:hover>a.anchor,
h3>a.anchor:hover,
#toctitle>a.anchor:hover,
.sidebarblock>.content>.title>a.anchor:hover,
h4:hover>a.anchor,
h4>a.anchor:hover,
h5:hover>a.anchor,
h5>a.anchor:hover,
h6:hover>a.anchor,
h6>a.anchor:hover {
    visibility: visible
}

#content h1>a.link,
h2>a.link,
h3>a.link,
#toctitle>a.link,
.sidebarblock>.content>.title>a.link,
h4>a.link,
h5>a.link,
h6>a.link {
    color: #ba3925;
    text-decoration: none
}

#content h1>a.link:hover,
h2>a.link:hover,
h3>a.link:hover,
#toctitle>a.link:hover,
.sidebarblock>.content>.title>a.link:hover,
h4>a.link:hover,
h5>a.link:hover,
h6>a.link:hover {
    color: #a53221
}

.audioblock,
.imageblock,
.literalblock,
.listingblock,
.stemblock,
.videoblock {
    margin-bottom: 1.25em
}

.admonitionblock td.content>.title,
.audioblock>.title,
.exampleblock>.title,
.imageblock>.title,
.listingblock>.title,
.literalblock>.title,
.stemblock>.title,
.openblock>.title,
.paragraph>.title,
.quoteblock>.title,
table.tableblock>.title,
.verseblock>.title,
.videoblock>.title,
.dlist>.title,
.olist>.title,
.ulist>.title,
.qlist>.title,
.hdlist>.title {
    text-rendering: optimizeLegibility;
    text-align: left;
    font-family: "Droid Serif", "DejaVu Serif", serif;
    font-size: 1rem;
    font-style: italic
}

table.tableblock.fit-content>caption.title {
    white-space: nowrap;
    width: 0
}

.paragraph.lead>p,
#preamble>.sectionbody>[class="paragraph"]:first-of-type p {
    font-size: 1.21875em;
    line-height: 1.6;
    color: rgba(0, 0, 0, .85)
}

table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p {
    font-size: inherit
}

.admonitionblock>table {
    border-collapse: separate;
    border: 0;
    background: none;
    width: 100%
}

.admonitionblock>table td.icon {
    text-align: center;
    width: 80px
}

.admonitionblock>table td.icon img {
    max-width: none
}

.admonitionblock>table td.icon .title {
    font-weight: bold;
    font-family: "Source Sans Pro", "DejaVu Sans", sans-serif;
    text-transform: uppercase
}

.admonitionblock>table td.content {
    padding-left: 1.125em;
    padding-right: 1.25em;
    border-left: 1px solid #dddddd;
    color: rgba(0, 0, 0, .6)
}

.admonitionblock>table td.content>:last-child>:last-child {
    margin-bottom: 0
}

.exampleblock>.content {
    border-style: solid;
    border-width: 1px;
    border-color: #dddddd;
    margin-bottom: 1.25em;
    padding: 1.25em;
    background: #fff;
    -webkit-border-radius: 4px;
    border-radius: 4px
}

.exampleblock>.content>:first-child {
    margin-top: 0
}

.exampleblock>.content>:last-child {
    margin-bottom: 0
}

.sidebarblock {
    border-style: solid;
    border-width: 1px;
    border-color: #dddddd;
    margin-bottom: 1.25em;
    padding: 1.25em;
    background: #f8f8f7;
    -webkit-border-radius: 4px;
    border-radius: 4px
}

.sidebarblock>:first-child {
    margin-top: 0
}

.sidebarblock>:last-child {
    margin-bottom: 0
}

.sidebarblock>.content>.title {
    color: #303284;
    margin-top: 0;
    text-align: center
}

.exampleblock>.content>:last-child>:last-child,
.exampleblock>.content .olist>ol>li:last-child>:last-child,
.exampleblock>.content .ulist>ul>li:last-child>:last-child,
.exampleblock>.content .qlist>ol>li:last-child>:last-child,
.sidebarblock>.content>:last-child>:last-child,
.sidebarblock>.content .olist>ol>li:last-child>:last-child,
.sidebarblock>.content .ulist>ul>li:last-child>:last-child,
.sidebarblock>.content .qlist>ol>li:last-child>:last-child {
    margin-bottom: 0
}

.literalblock pre,
.listingblock pre:not(.highlight),.listingblock pre[class="highlight"],.listingblock pre[class^="highlight "],.listingblock pre.CodeRay,.listingblock pre.prettyprint {
    background: #f7f7f8
}

.sidebarblock .literalblock pre,
.sidebarblock .listingblock pre:not(.highlight),.sidebarblock .listingblock pre[class="highlight"],.sidebarblock .listingblock pre[class^="highlight "],.sidebarblock .listingblock pre.CodeRay,.sidebarblock .listingblock pre.prettyprint {
    background: #f2f1f1
}

.literalblock pre,
.literalblock pre[class],
.listingblock pre,
.listingblock pre[class] {
    -webkit-border-radius: 4px;
    border-radius: 4px;
    word-wrap: break-word;
    padding: 1em;
    font-size: .8125em
}

.literalblock pre.nowrap,
.literalblock pre[class].nowrap,
.listingblock pre.nowrap,
.listingblock pre[class].nowrap {
    overflow-x: auto;
    white-space: pre;
    word-wrap: normal
}

@media screen and (min-width:768px) {
    .literalblock pre,
    .literalblock pre[class],
    .listingblock pre,
    .listingblock pre[class] {
        font-size: .90625em
    }

}

@media screen and (min-width:1280px) {
    .literalblock pre,
    .literalblock pre[class],
    .listingblock pre,
    .listingblock pre[class] {
        font-size: 1em
    }

}

.literalblock.output pre {
    color: #f7f7f8;
    background-color: rgba(0, 0, 0, .9)
}

.listingblock pre.highlightjs {
    padding: 0
}

.listingblock pre.highlightjs>code {
    padding: 1em;
    -webkit-border-radius: 4px;
    border-radius: 4px
}

.listingblock pre.prettyprint {
    border-width: 0
}

.listingblock>.content {
    position: relative
}

.listingblock code[data-lang]::before {
    display: none;
    content: attr(data-lang);
    position: absolute;
    font-size: .75em;
    top: .425rem;
    right: .5rem;
    line-height: 1;
    text-transform: uppercase;
    color: #999
}

.listingblock:hover code[data-lang]::before {
    display: block
}

.listingblock.terminal pre .command::before {
    content: attr(data-prompt);
    padding-right: .5em;
    color: #999
}

.listingblock.terminal pre .command:not([data-prompt])::before {
    content: "$"
}

table.pyhltable {
    border-collapse: separate;
    border: 0;
    margin-bottom: 0;
    background: none
}

table.pyhltable td {
    vertical-align: top;
    padding-top: 0;
    padding-bottom: 0;
    line-height: 1.45
}

table.pyhltable td.code {
    padding-left: .75em;
    padding-right: 0
}

pre.pygments .lineno,
table.pyhltable td:not(.code) {
    color: #999;
    padding-left: 0;
    padding-right: .5em;
    border-right: 1px solid #dddddd;
}

pre.pygments .lineno {
    display: inline-block;
    margin-right: .25em
}

table.pyhltable .linenodiv {
    background: none !important;
    padding-right: 0 !important
}

.quoteblock {
    margin: 0 1em 1.25em 1.5em;
    display: table
}

.quoteblock>.title {
    margin-left: -1.5em;
    margin-bottom: .75em
}

.quoteblock blockquote,
.quoteblock blockquote p {
    color: rgba(0, 0, 0, .85);
    font-size: 1.05rem;
    line-height: 1.75;
    word-spacing: .1em;
    letter-spacing: 0;
    font-style: italic;
    text-align: justify
}

.quoteblock blockquote {
    margin: 0;
    padding: 0;
    border: 0
}

.quoteblock blockquote::before {
    content: "\201c";
    float: left;
    font-size: 2.75em;
    font-weight: bold;
    line-height: .6em;
    margin-left: -.6em;
    color: #303284;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .1)
}

.quoteblock blockquote>.paragraph:last-child p {
    margin-bottom: 0
}

.quoteblock .attribution {
    margin-top: .5em;
    margin-right: .5ex;
    text-align: right
}

.quoteblock .quoteblock {
    margin-left: 0;
    margin-right: 0;
    padding: .5em 0;
    border-left: 3px solid rgba(0, 0, 0, .6)
}

.quoteblock .quoteblock blockquote {
    padding: 0 0 0 .75em
}

.quoteblock .quoteblock blockquote::before {
    display: none
}

.verseblock {
    margin: 0 1em 1.25em
}

.verseblock pre {
    font-family: "Source Sans Pro", "DejaVu Sans", sans;
    font-size: 1.15rem;
    color: rgba(0, 0, 0, .85);
    font-weight: 300;
    text-rendering: optimizeLegibility
}

.verseblock pre strong {
    font-weight: 400
}

.verseblock .attribution {
    margin-top: 1.25rem;
    margin-left: .5ex
}

.quoteblock .attribution,
.verseblock .attribution {
    font-size: .9375em;
    line-height: 1.45;
    font-style: italic
}

.quoteblock .attribution br,
.verseblock .attribution br {
    display: none
}

.quoteblock .attribution cite,
.verseblock .attribution cite {
    display: block;
    letter-spacing: -.025em;
    color: rgba(0, 0, 0, .6)
}

.quoteblock.abstract {
    margin: 0 1em 1.25em;
    display: block
}

.quoteblock.abstract>.title {
    margin: 0 0 .375em;
    font-size: 1.15em;
    text-align: center
}

.quoteblock.abstract blockquote,
.quoteblock.abstract blockquote p {
    word-spacing: 0;
    line-height: 1.6
}

.quoteblock.abstract blockquote::before,
.quoteblock.abstract p::before {
    display: none
}

table.tableblock {
    max-width: 100%;
    border-collapse: separate
}

p.tableblock:last-child {
    margin-bottom: 0
}

td.tableblock>.content {
    margin-bottom: -1.25em
}

table.tableblock,
th.tableblock,
td.tableblock {
    border: 0 solid #dddddd;
}

table.grid-all>thead>tr>.tableblock,
table.grid-all>tbody>tr>.tableblock {
    border-width: 0 1px 1px 0
}

table.grid-all>tfoot>tr>.tableblock {
    border-width: 1px 1px 0 0
}

table.grid-cols>*>tr>.tableblock {
    border-width: 0 1px 0 0
}

table.grid-rows>thead>tr>.tableblock,
table.grid-rows>tbody>tr>.tableblock {
    border-width: 0 0 1px
}

table.grid-rows>tfoot>tr>.tableblock {
    border-width: 1px 0 0
}

table.grid-all>*>tr>.tableblock:last-child,
table.grid-cols>*>tr>.tableblock:last-child {
    border-right-width: 0
}

table.grid-all>tbody>tr:last-child>.tableblock,
table.grid-all>thead:last-child>tr>.tableblock,
table.grid-rows>tbody>tr:last-child>.tableblock,
table.grid-rows>thead:last-child>tr>.tableblock {
    border-bottom-width: 0
}

table.frame-all {
    border-width: 1px
}

table.frame-sides {
    border-width: 0 1px
}

table.frame-topbot,
table.frame-ends {
    border-width: 1px 0
}

table.stripes-all tr,
table.stripes-odd tr:nth-of-type(odd) {
    background: #f8f8f7
}

table.stripes-none tr,
table.stripes-odd tr:nth-of-type(even) {
    background: none
}

th.halign-left,
td.halign-left {
    text-align: left
}

th.halign-right,
td.halign-right {
    text-align: right
}

th.halign-center,
td.halign-center {
    text-align: center
}

th.valign-top,
td.valign-top {
    vertical-align: top
}

th.valign-bottom,
td.valign-bottom {
    vertical-align: bottom
}

th.valign-middle,
td.valign-middle {
    vertical-align: middle
}

table thead th,
table tfoot th {
    font-weight: bold
}

tbody tr th {
    display: table-cell;
    line-height: 1.6;
    background: #f7f8f7
}

tbody tr th,
tbody tr th p,
tfoot tr th,
tfoot tr th p {
    color: rgba(0, 0, 0, .8);
    font-weight: bold
}

p.tableblock>code:only-child {
    background: none;
    padding: 0
}

p.tableblock {
    font-size: 1em
}

td>div.verse {
    white-space: pre
}

ol {
    margin-left: 1.75em
}

ul li ol {
    margin-left: 1.5em
}

dl dd {
    margin-left: 1.125em
}

dl dd:last-child,
dl dd:last-child>:last-child {
    margin-bottom: 0
}

ol>li p,
ul>li p,
ul dd,
ol dd,
.olist .olist,
.ulist .ulist,
.ulist .olist,
.olist .ulist {
    margin-bottom: .625em
}

ul.checklist,
ul.none,
ol.none,
ul.no-bullet,
ol.no-bullet,
ol.unnumbered,
ul.unstyled,
ol.unstyled {
    list-style-type: none
}

ul.no-bullet,
ol.no-bullet,
ol.unnumbered {
    margin-left: .625em
}

ul.unstyled,
ol.unstyled {
    margin-left: 0
}

ul.checklist {
    margin-left: .625em
}

ul.checklist li>p:first-child>.fa-square-o:first-child,
ul.checklist li>p:first-child>.fa-check-square-o:first-child {
    width: 1.25em;
    font-size: .8em;
    position: relative;
    bottom: .125em
}

ul.checklist li>p:first-child>input[type="checkbox"]:first-child {
    margin-right: .25em
}

ul.inline {
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -ms-flex-flow: row wrap;
    -webkit-flex-flow: row wrap;
    flex-flow: row wrap;
    list-style: none;
    margin: 0 0 .625em -1.25em
}

ul.inline>li {
    margin-left: 1.25em
}

.unstyled dl dt {
    font-weight: 400;
    font-style: normal
}

ol.arabic {
    list-style-type: decimal
}

ol.decimal {
    list-style-type: decimal-leading-zero
}

ol.loweralpha {
    list-style-type: lower-alpha
}

ol.upperalpha {
    list-style-type: upper-alpha
}

ol.lowerroman {
    list-style-type: lower-roman
}

ol.upperroman {
    list-style-type: upper-roman
}

ol.lowergreek {
    list-style-type: lower-greek
}

.hdlist>table,
.colist>table {
    border: 0;
    background: none
}

.hdlist>table>tbody>tr,
.colist>table>tbody>tr {
    background: none
}

td.hdlist1,
td.hdlist2 {
    vertical-align: top;
    padding: 0 .625em
}

td.hdlist1 {
    font-weight: bold;
    padding-bottom: 1.25em
}

.literalblock+.colist,
.listingblock+.colist {
    margin-top: -.5em
}

.colist td:not([class]):first-child {
    padding: .4em .75em 0;
    line-height: 1;
    vertical-align: top
}

.colist td:not([class]):first-child img {
    max-width: none
}

.colist td:not([class]):last-child {
    padding: .25em 0
}

.thumb,
.th {
    line-height: 0;
    display: inline-block;
    border: solid 4px #fff;
    -webkit-box-shadow: 0 0 0 1px #ddd;
    box-shadow: 0 0 0 1px #ddd
}

.imageblock.left,
.imageblock[style*="float:left"] {
    margin: .25em .625em 1.25em 0
}

.imageblock.right,
.imageblock[style*="float:right"] {
    margin: .25em 0 1.25em .625em
}

.imageblock>.title {
    margin-bottom: 0
}

.imageblock.thumb,
.imageblock.th {
    border-width: 6px
}

.imageblock.thumb>.title,
.imageblock.th>.title {
    padding: 0 .125em
}

.image.left,
.image.right {
    margin-top: .25em;
    margin-bottom: .25em;
    display: inline-block;
    line-height: 0
}

.image.left {
    margin-right: .625em
}

.image.right {
    margin-left: .625em
}

a.image {
    text-decoration: none;
    display: inline-block
}

a.image object {
    pointer-events: none
}

sup.footnote,
sup.footnoteref {
    font-size: .875em;
    position: static;
    vertical-align: super
}

sup.footnote a,
sup.footnoteref a {
    text-decoration: none
}

sup.footnote a:active,
sup.footnoteref a:active {
    text-decoration: underline
}

#footnotes {
    padding-top: .75em;
    padding-bottom: .75em;
    margin-bottom: .625em
}

#footnotes hr {
    width: 20%;
    min-width: 6.25em;
    margin: -.25em 0 .75em;
    border-width: 1px 0 0
}

#footnotes .footnote {
    padding: 0 .375em 0 .225em;
    line-height: 1.3334;
    font-size: .875em;
    margin-left: 1.2em;
    margin-bottom: .2em
}

#footnotes .footnote a:first-of-type {
    font-weight: bold;
    text-decoration: none;
    margin-left: -1.05em
}

#footnotes .footnote:last-of-type {
    margin-bottom: 0
}

#content #footnotes {
    margin-top: -.625em;
    margin-bottom: 0;
    padding: .75em 0
}

.gist .file-data>table {
    border: 0;
    background: #fff;
    width: 100%;
    margin-bottom: 0
}

.gist .file-data>table td.line-data {
    width: 99%
}

div.unbreakable {
    page-break-inside: avoid
}

.big {
    font-size: larger
}

.small {
    font-size: smaller
}

.underline {
    text-decoration: underline
}

.overline {
    text-decoration: overline
}

.line-through {
    text-decoration: line-through
}

.aqua {
    color: #00bfbf
}

.aqua-background {
    background-color: #00fafa
}

.black {
    color: #000
}

.black-background {
    background-color: #000
}

.blue {
    color: #0000bf
}

.blue-background {
    background-color: #0000fa
}

.fuchsia {
    color: #bf00bf
}

.fuchsia-background {
    background-color: #fa00fa
}

.gray {
    color: #606060
}

.gray-background {
    background-color: #7d7d7d
}

.green {
    color: #006000
}

.green-background {
    background-color: #007d00
}

.lime {
    color: #00bf00
}

.lime-background {
    background-color: #00fa00
}

.maroon {
    color: #600000
}

.maroon-background {
    background-color: #7d0000
}

.navy {
    color: #000060
}

.navy-background {
    background-color: #00007d
}

.olive {
    color: #606000
}

.olive-background {
    background-color: #7d7d00
}

.purple {
    color: #600060
}

.purple-background {
    background-color: #7d007d
}

.red {
    color: #bf0000
}

.red-background {
    background-color: #fa0000
}

.silver {
    color: #909090
}

.silver-background {
    background-color: #bcbcbc
}

.teal {
    color: #006060
}

.teal-background {
    background-color: #007d7d
}

.white {
    color: #bfbfbf
}

.white-background {
    background-color: #fafafa
}

.yellow {
    color: #bfbf00
}

.yellow-background {
    background-color: #fafa00
}

span.icon>.fa {
    cursor: default
}

a span.icon>.fa {
    cursor: inherit
}

.admonitionblock td.icon [class^="fa icon-"] {
    font-size: 2.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, .5);
    cursor: default
}

.admonitionblock td.icon .icon-note::before {
    content: "\f05a";
    color: #19407c
}

.admonitionblock td.icon .icon-tip::before {
    content: "\f0eb";
    text-shadow: 1px 1px 2px rgba(155, 155, 0, .8);
    color: #111
}

.admonitionblock td.icon .icon-warning::before {
    content: "\f071";
    color: #bf6900
}

.admonitionblock td.icon .icon-caution::before {
    content: "\f06d";
    color: #bf3400
}

.admonitionblock td.icon .icon-important::before {
    content: "\f06a";
    color: #bf0000
}

.conum[data-value] {
    display: inline-block;
    color: #fff !important;
    background-color: rgba(0, 0, 0, .8);
    -webkit-border-radius: 100px;
    border-radius: 100px;
    text-align: center;
    font-size: .75em;
    width: 1.67em;
    height: 1.67em;
    line-height: 1.67em;
    font-family: "Source Sans Pro", "DejaVu Sans", sans-serif;
    font-style: normal;
    font-weight: bold
}

.conum[data-value] * {
    color: #fff !important
}

.conum[data-value]+b {
    display: none
}

.conum[data-value]::after {
    content: attr(data-value)
}

pre .conum[data-value] {
    position: relative;
    top: -.125em
}

b.conum * {
    color: inherit !important
}

.conum:not([data-value]):empty {
    display: none
}

dt,
th.tableblock,
td.content,
div.footnote {
    text-rendering: optimizeLegibility
}

h1,
h2,
p,
td.content,
span.alt {
    letter-spacing: -.01em
}

p strong,
td.content strong,
div.footnote strong {
    letter-spacing: -.005em
}

p,
blockquote,
dt,
td.content,
span.alt {
    /*font-size: 1.0625rem*/
}

p {
    margin-bottom: 1.25rem
}

.sidebarblock p,
.sidebarblock dt,
.sidebarblock td.content,
p.tableblock {
    font-size: 1em
}

.exampleblock>.content {
    background-color: #fffef7;
    border-color: #dddddd;
    -webkit-box-shadow: 0 1px 4px #e0e0dc;
    box-shadow: 0 1px 4px #e0e0dc
}

.print-only {
    display: none !important
}

@page {
    margin: 1.25cm .75cm
}

@media print {
    * {
        -webkit-box-shadow: none !important;
        box-shadow: none !important;
        text-shadow: none !important
    }

    html {
        font-size: 80%
    }

    a {
        color: inherit !important;
        text-decoration: underline !important
    }

    a.bare,
    a[href^="#"],
    a[href^="mailto:"] {
        text-decoration: none !important
    }

    a[href^="http:"]:not(.bare)::after,
    a[href^="https:"]:not(.bare)::after {
        content: "("attr(href) ")";
        display: inline-block;
        font-size: .875em;
        padding-left: .25em
    }

    abbr[title]::after {
        content: " ("attr(title) ")"
    }

    pre,
    blockquote,
    tr,
    img,
    object,
    svg {
        page-break-inside: avoid
    }

    thead {
        display: table-header-group
    }

    svg {
        max-width: 100%
    }

    p,
    blockquote,
    dt,
    td.content {
        font-size: 1em;
        orphans: 3;
        widows: 3
    }

    h2,
    h3,
    #toctitle,
    .sidebarblock>.content>.title {
        page-break-after: avoid
    }

    #toc,
    .sidebarblock,
    .exampleblock>.content {
        background: none !important
    }

    #toc {
        border-bottom: 1px solid #dddddd !important;
        padding-bottom: 0 !important
    }

    body.book #header {
        text-align: center
    }

    body.book #header>h1:first-child {
        border: 0 !important;
        margin: 2.5em 0 1em
    }

    body.book #header .details {
        border: 0 !important;
        display: block;
        padding: 0 !important
    }

    body.book #header .details span:first-child {
        margin-left: 0 !important
    }

    body.book #header .details br {
        display: block
    }

    body.book #header .details br+span::before {
        content: none !important
    }

    body.book #toc {
        border: 0 !important;
        text-align: left !important;
        padding: 0 !important;
        margin: 0 !important
    }

    body.book #toc,
    body.book #preamble,
    body.book h1.sect0,
    body.book .sect1>h2 {
        page-break-before: always
    }

    .listingblock code[data-lang]::before {
        display: block
    }

    #footer {
        padding: 0 .9375em
    }

    .hide-on-print {
        display: none !important
    }

    .print-only {
        display: block !important
    }

    .hide-for-print {
        display: none !important
    }

    .show-for-print {
        display: inherit !important
    }

}

@media print, amzn-kf8 {
    #header>h1:first-child {
        margin-top: 1.25rem
    }

    .sect1 {
        padding: 0 !important
    }

    .sect1+.sect1 {
        border: 0
    }

    #footer {
        background: none
    }

    #footer-text {
        color: rgba(0, 0, 0, .6);
        font-size: .9em
    }

}

@media amzn-kf8 {
    #header,
    #content,
    #footnotes,
    #footer {
        padding: 0
    }

}